1. Introduction
The CYCPLUS M1 is a smart GPS bike computer designed to provide accurate real-time data for your cycling activities. It features wireless connectivity, a large display, and compatibility with various external sensors.

The CYCPLUS M1 GPS Bike Computer displaying various metrics.
2. Package Contents
Ensure all items are present in your package:
- GPS Bike Computer (M1)
- Bike Computer Mount
- Rubber Pad
- Instruction Manual
- Rubber Band x 3
- Type-C Charging Cable
- Silicone Protector Case (if included in your specific package)

Visual representation of the CYCPLUS M1 package contents.
3. Setup
3.1. Installation
- Mounting the Bike Computer Mount: Secure the bike computer mount to your handlebar using the provided rubber bands. Cross-fix the mount with the rubber bands for stability.
- Attaching the GPS Bike Computer: Align the convex part on the back of the device with the mount's slot. Gently press and rotate clockwise until it locks into place (you may hear a click).

Diagram showing how to install the CYCPLUS M1 on a bicycle handlebar.
3.2. Initial Settings
Long press the right button to enter the settings menu. Press the right button again to navigate through the 8 setting pages (C2-C9).
3.2.1. Wheel Circumference Setting (C3)
Accurate wheel circumference is essential for precise speed and distance measurements.
- Press the left button to start setting.
- Press the right button to modify the digit.
- Press the middle button to switch the settable digit.
- Press the left button to finish setting.
Refer to the table below for common tire circumference values. Tire circumference may vary depending on tire pressure.
| ETRTO | Size | L(mm) | Inch | ETRTO | Size | L(mm) | Inch |
|---|---|---|---|---|---|---|---|
| 47-203 | 12x1.75 | 935 | 28-590 | 26x1-1/8 | 1970 | ||
| 54-203 | 12x1.95 | 940 | 12 | 37-590 | 26x1-3/8 | 2068 | |
| 40-254 | 14x1.50 | 1020 | 14 | 37-584 | 26x1-1/2 | 2100 | 26 |
| 47-254 | 14x1.75 | 1055 | 650C Tubular 26x7/8 | 1920 | |||
| 40-305 | 16x1.50 | 1185 | 20-571 | 650x20C | 1938 | ||
| 47-305 | 16x1.75 | 1195 | 16 | 23-571 | 650x23C | 1944 | |
| 54-305 | 16x2.00 | 1245 | 25-571 | 650x25C 26x1(571) | 1952 | ||
| 28-349 | 16x1-1/8 | 1290 | 40-590 | 650x38A | 2125 | ||
| 37-349 | 16x1-3/8 | 1300 | 40-584 | 650x38B | 2105 | ||
| 32-369 | 17x1-1/4(369) | 1340 | 25-630 | 27x1(630) | 2145 | ||
| 40-355 | 18x1.50 | 1340 | 28-630 | 27x1-1/8 | 2155 | 27 | |
| 47-355 | 18x1.75 | 1350 | 18 | 32-630 | 27x1-1/4 | 2161 | |
| 32-406 | 20x1.25 | 1450 | 37-630 | 27x1-3/8 | 2169 | ||
| 35-406 | 20x1.35 | 1460 | 40-584 | 27.5x1.50 | 2079 | ||
| 40-406 | 20x1.50 | 1490 | 50-584 | 27.5x1.95 | 2090 | ||
| 47-406 | 20x1.75 | 1515 | 54-584 | 27.5x2.1 | 2148 | 27.5 | |
| 50-406 | 20x1.95 | 1565 | 57-584 | 27.5x2.25 | 2182 | ||
| 28-451 | 20x1-1/8 | 1545 | 18-622 | 700x18C | 2070 | ||
| 37-451 | 20x1-3/8 | 1615 | 20 | 19-622 | 700x19C | 2080 | |
| 37-501 | 22x1-3/8 | 1770 | 22 | 20-622 | 700x20C | 2086 | |
| 40-501 | 22x1-1/2 | 1785 | 23-622 | 700x23C | 2096 | ||
| 47-507 | 24x1.75 | 1890 | 24 | 25-622 | 700x25C | 2105 | |
| 50-507 | 24x2.00 | 1925 | 28-622 | 700x28C | 2136 | ||
| 54-507 | 24x2.125 | 1965 | 30-622 | 700x30C | 2146 | ||
| 25-520 | 24x1(520) | 1753 | 32-622 | 700x32C | 2155 | ||
| 24x3/4 Tubular | 1785 | 700C Tubular | 2130 | 700C | |||
| 28-540 | 24x1-1/8 | 1795 | 35-622 | 700x35C | 2168 | ||
| 32-540 | 24x1-1/4 | 1905 | 38-622 | 700x38C | 2180 | ||
| 25-559 | 26x1(559) | 1913 | 40-622 | 700x40C | 2200 | ||
| 32-559 | 26x1.25 | 1950 | 42-622 | 700x42C | 2224 | ||
| 37-559 | 26x1.40 | 2005 | 44-622 | 700x44C | 2235 | ||
| 40-559 | 26x1.50 | 2010 | 45-622 | 700x45C | 2242 | ||
| 47-559 | 26x1.75 | 2023 | 47-622 | 700x47C | 2268 | ||
| 50-559 | 26x1.95 | 2050 | 54-622 | 29x2.1 | 2288 | 29 | |
| 54-559 | 26x2.10 | 2068 | 56-622 | 29x2.2 | 2298 | ||
| 57-559 | 26x2.125 | 2070 | 60-622 | 29x2.3 | 2326 | ||
| 58-559 | 26x2.35 | 2083 | |||||
| 75-559 | 26x3.00 | 2170 |
3.2.2. ANT+ Sensor Connection (C2)
The M1 supports ANT+ peripherals like heart rate monitors, cadence sensors, and power meters.
- Press the left button to start searching for ANT+ sensors.
- Once a sensor is found, its data will appear on the screen.
- To unpair sensors, switch to page C9 and press the left button to unpair all paired sensors.

The CYCPLUS M1 is compatible with various ANT+ sensors for comprehensive data tracking.
3.2.3. Other Settings (C4, C5, C6, C7)
- Time Zone Setting (C4): Press the left button to start, right button to modify, left button to finish.
- Speed Unit Setting (C5): Press the left button to start, right button to switch between KMH and MPH, left button to finish.
- Temperature Unit Setting (C6): Press the left button to start, right button to switch between °C and °F, left button to finish.
- Factory Reset (C7): Press the left button to start. Long press the middle button to restore factory settings; the computer will turn off automatically.
4. Operating Instructions
4.1. Quick Start Guide
- Turn On: Press the left button to turn on the device.
- GPS Signal Acquisition: After turning on, it takes a few minutes to acquire a GPS signal. The 'GPS' icon will appear when the device is ready. Ensure the device is in an open, barrier-free area for best signal reception.
- Start Recording: Press the left button again to start recording. The 'Play' icon will appear when recording begins.
- Save Record: Long press the middle button to save the recording data. The 'Save' icon will disappear once data is saved.
- Turn Off: Long press the left button to turn off the device.
Official product video demonstrating the CYCPLUS M1's features and basic operation.
4.2. Button Functions

Diagram illustrating the functions of each button on the CYCPLUS M1.
- Left Button (Play/Pause Icon):
- Press: Turn on (from off state) / Start / Stop / Start setting
- Long Press: Turn off
- Middle Button (Circle Icon):
- Press: Count Lap
- Long Press: Save Record
- Right Button (Refresh Icon):
- Press: Switch display content (go to next page)
- Long Press: Enter / Quit Settings
4.3. Data Display
The M1 displays various real-time, average, and maximum data metrics:
- Real-time Data (NOW): Recording Temperature, Clock, Speed, Speed Sensor, Heart Rate, Cadence, Power, Trip Time, Trip Distance, Odograph, Gradient, Altitude, Ascent.
- Average Data (AVG): Average Speed, Heart Rate, Cadence, Power, Gradient.
- Max Data (MAX): Maximum Speed, Heart Rate, Cadence, Power, Gradient.

Overview of data metrics displayed on the CYCPLUS M1 screen.
4.4. APP Connection & Data Sync
The CYCPLUS Fit app enhances your cycling experience by providing data analysis and synchronization with platforms like Strava.
- Download the App: Scan the QR code or search for "CYCPLUS Fit" on Google Play (Android) or the App Store (iOS) to download.
- Connect to Device: Log in to the app, go to "Devices," and select your M1 bike computer.
- Synchronize Data: Once connected, you can synchronize your ride data. The M1 can store up to 150 hours of riding data. Syncing 100km of data takes approximately 30 seconds via Bluetooth 5.0.

Illustration of syncing CYCPLUS M1 data to Strava via the CYCPLUS Fit app.

The CYCPLUS Fit app provides data analysis, sports data view, and firmware updates.
5. Maintenance
5.1. Battery Management
The M1 features a built-in 1200mAh rechargeable Lithium-ion battery, providing up to 60 hours of continuous battery life. A full charge takes approximately 3.5 hours using the Type-C charging port.

The CYCPLUS M1 offers 60 hours of battery life with a 3-hour charging time.
5.2. Waterproofing
The device has an IPX6 waterproof rating, meaning it is rain-proof and splash-proof. It is suitable for riding in rainy conditions but should not be soaked in water for extended periods.
5.3. Memory & Data Storage
The M1 has 16MB of internal memory, capable of storing approximately 150 hours of cycling data. When the memory is full, the device will automatically overwrite the oldest records in chronological order.
5.4. Backlight
After setting the time zone, the backlight will automatically turn on every night from 18:00 to 9:00. Pressing any button will activate the backlight, which will then turn off automatically after 10 seconds of inactivity.
6. Troubleshooting
- GPS Signal Issues: If the device struggles to acquire a GPS signal, ensure you are in an open, barrier-free area and the device remains static for a few minutes after turning on.
- Sensor Connection Problems: If ANT+ sensor data is not appearing, navigate to the ANT+ sensor connection settings (C2) and ensure your sensors are properly paired. If issues persist, try unpairing and re-pairing, or perform a factory reset.
- Data Recording Not Saving: Always long press the middle button to save your recording data after a ride. If not saved, the data will be lost upon turning off the device.
- Device Unresponsive/Malfunctioning: A factory reset (C7) can resolve many software-related issues. Long press the middle button in the C7 menu to perform a reset.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | M1 |
| Screen Size | 2.9 inch LCD |
| Display Color | Black and White |
| Product Size | 90 x 55 x 20 mm |
| Product Weight | 77.5 g |
| Battery Type | Lithium ion |
| Battery Capacity | 1200 mAh 3.7 V |
| Battery Life | 60 hours |
| Charging Mode | Type-C |
| Charging Time | Nearly 3.5 hours |
| Memory Capacity | 150 hours |
| APP Connection | BLE 5.0 |
| Peripheral Connection | ANT+ |
| Supported Peripherals | Speed sensor, Cadence sensor, Heart rate monitor, Powermeter |
| Waterproof Level | IPX6 |
| Auto-pause | Yes |
| External devices | Yes |
| Touch Screen | No |
| Navigation | No |
| Language | English |
8. Warranty & Support
8.1. Manufacturer Information
Manufacturer: Chengdu Chendian Intelligent Technology Co., Ltd.
Address: No. 88 Tianchen Road, Chengdu, Sichuan Province, China
8.2. Warranty Policy
The product comes with a 2-year warranty from the date of purchase. This warranty covers free repair or replacement for damages not caused by human factors.
8.3. Contact & Product Information
Contact E-mail: steven@cycplus.com
To continuously improve product functionality and user experience, the manufacturer may make adjustments to the design, features, or accessories of the product. The actual item you receive may differ from the description in this manual. Please refer to the physical product as the final reference. The manufacturer reserves the right to modify products without prior notice.
9. User Tips
- Button Feedback: Note that the buttons do not produce a beeping sound upon press.
- Battery Life: Users have reported excellent battery endurance, with minimal discharge even on long rides (e.g., 160km with less than 1% discharge).
- Display Visibility: The 2.9-inch LCD screen offers good size and visibility, with pleasant lighting for clear data reading.
- Heart Rate Monitor Compatibility: The device is compatible with ANT+ heart rate monitors. For specific brands like Polar, ensure they support ANT+ protocol for connection.
- Distance Tracking: The device primarily uses GPS for tracking distance. It can also connect to ANT+ speed sensors for additional data.